Finding the Fourth Proportional to 12,189.52, 18,285.15 and 5,954.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,189.52 : 18,285.15 = 5,954.71 : x
2. Step 2: Convert to fraction form
   12,189.52/18,285.15 = 5,954.71/x
3. Step 3: Cross multiply
   12,189.52x = 18,285.15 × 5,954.71
4. Step 4: Simplify right side
   12,189.52x = 108,882,765.56
5. Step 5: Solve for x
   x = 108,882,765.56/12,189.52
6. Step 6: Final answer
   x = 8,932.49